Answer:

D. is the correct answer

Step-by-step explanation:

A is called Union . You list all the elements in the given Subset. Each set can be written once only

B. is called Intersection. You list only the given common sets in the given subsets.

C is called Difference. B-A is the set that contains all the elements in B that are not in A.

D. is also called Difference. A-B is the set that contains all the elements in A that are not in B.

Take a look at the picture after

D is the correct answer.

Hope it helps.

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